Measure of the repeatability of a set of measurements.

This listing of geospatial terms was developed at the direction of the MetroGIS Policy Board to help its members better understand recommendations they are asked to consider. This listing is intended to be a starting place. As the need is recognized, additions and modifications are to be incorporated. Users are encouraged to offer such modifications as they recognize the need. Proprietary Terms/Products are followed by “ ** “. It is understood that the listing of these terms is incomplete.

Closeness of coordinate value to the true or accepted value in a specified reference system.

Data type that describes a point or geometry potentially occupied by an object or person.

Relation between designations and concepts in a given language in which one designation represents two or more concepts sharing certain characteristics.

Characteristic of being able to assign a different meaning or usage to something in different contexts - specifically, to allow an entity such as a variable, a function, or an object to have more than one form.

a procedure that calculates the geometric relationships between two geographic representations (usually applied to vector models); used to merge attribute information .

Planar surface defined by 1 exterior boundary and 0 or more interior boundaries.

Set of rules related to a particular purpose.

Restricting radiation, especially light, vibrations to a single plane.

Characteristic response of an imaging system to a high-contrast point target.

procedure to determine which points fall into which polygons; can attach attributes to either the points or the polygons.

A location (with a fixed position) where one can find a place, product or service, typically identified by name rather than by address and characterized by type, which may be used as a reference point or a target in a location based service request, e.g., as the destination of a route.